OUTCOMES OF PATENT DUCTUS ARTERIOSUS LIGATION IN VERY LOW BIRTH WEIGHT PREMATURE INFANTS: A RETROSPECTIVE COHORT ANALYSIS

Retrospective cohort study evaluating outcomes of surgical PDA ligation in very low birth weight premature infants who failed medical management. Study addresses ongoing controversy around optimal timing and surgical decision-making for hemodynamically significant PDA in this high-risk neonatal population.